uestion 7 For the Sn-Pb phase diagram presented below, the alloy represented by point A has two phases present. In this case, the composition of Sn in the liquid phase is approx. 18 wt%. 300 L (liquid) 250 a 200 183 C

(Use the following figure to answer questions b, c and d) T du dy Liquid A Liquid B b. What is the type of the two liquids? c. Explain how the shear force applied to each liquid affects its viscosity. d. Which liquid has higher apparent viscosity? Explain your answer.

The Celsius degree is a smaller temperature unit than the Fahrenheit degree and both scales are not considered as an absolute one Select one: True O False

Boundary lubricating is a type of lubrication in which the surfaces are less separated. Select one: True O False

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Choose correct answer: A temperature scale of certain thermometer is given by the relation  t = a ln p + b. where t is time   Select one: True False

Please solve the problem correctly and get the right answer.

i) Find the property that provides the change in size of the material, if the material is subjected to temperature change and explain that property with unit. ii) Water of 1.6 liters is heated to a maximum temperature of 116 °C from room temperature to prepare Arabic coffee for a family using the following data. -- (2.5 Marks) - Heat energy of 623 kJ is supplied to the water - Specific heat capacity of water is 4.2 kJ/kg K - Density of water as 1000.5 kg/m3 Determine the room temperature. a) Mass of water (in kg) b) Room temperature (in °C

(24) States usually have their own building codes and state codes often require local building codes to be at least as strict as the state code. Select one: A. TRUE B. FALSE